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bernard
26-05-2004, 07:58 PM
Hi All

Installed my first Hittachi inverter today,nice unit and the customer was over the moon with the low noise output but why the change in the louvers they look good but why

Regards bernard

Jasper
27-05-2004, 06:33 AM
Just commisioned my first Daikin VRV+. :)
If you think the Hitachi is quite Have a listen to these babies :D

bernard
27-05-2004, 05:59 PM
:p bet my ones quieter :D

Jasper
28-05-2004, 06:46 AM
How many db @ 10m :rolleyes:

frank
28-05-2004, 05:55 PM
Bernard

Was it the R407C VRF system?

jasper

Did you mean your first VRV on R410a ? ;) (VRV II)

bernard
28-05-2004, 08:37 PM
Hi Frank

Yes 407c Ras 4???

Regards

Bernard

Jasper
29-05-2004, 12:02 PM
Sorry frank :(

VRV II

R410a :D

frank
01-06-2004, 07:33 PM
Some sound pressure levels from the catalogues for the heat pump series for 415v supply

Daikin VRV II on R410a

5hp 54dba
8hp 57dba
10hp 58dba
12hp 60dba
14hp 60dba
16hp 60dba



Hitachi FSG Series on R407C

5hp 53dba
8hp 57dba
10hp 59dba
16hp 62dba
20hp 63dba

Measured at 1m from the unit

Looks like you win Jasper :D Unless it was the 5hp unit you both fitted :D